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Item Structural Properties as Predictors of Item Difficulty and Item Association.

Peer reviewed

Solano-Flores, Guillermo – Educational and Psychological Measurement, 1993

Studied the ability of logical test design (LTD) to predict student performance in reading Roman numerals for 211 sixth graders in Mexico City tested on Roman numeral items varying on LTD-related and non-LTD-related variables. The LTD-related variable item iterativity was found to be the best predictor of item difficulty. (SLD)

Descriptors: Academic Achievement, Algorithms, Difficulty Level, Elementary School Students

Making the Mean Meaningful: Two Instructional Studies.

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Cai, Jinfa; Moyer, John C.; Grochowski, Nancy J. – 1997

Two studies are reported that explore the effectiveness of instruction in promoting students' conceptual understanding of the average concept using a leveling model and an open-ended problem-solving approach. One teacher and her 46 sixth-grade students participated in the first study. One year later, the second study was conducted with the same…

Descriptors: Algorithms, College School Cooperation, Comprehension, Concept Formation